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Find acute angles A and B when 2 sin ...

Find acute angles A and B when ` 2 sin (A+ B) = sqrt3 and 2 cos (A-B) = sqrt3 `

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The correct Answer is:
` A = 45 ^(@) and B = 15^(@) `
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ICSE-REVISION PAPER -1 -SECTION B
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  9. Two customers A and B are visiting a particular shop in the same week ...

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  10. Two customers A and B are visiting a particular shop in the same week ...

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  11. Two customers A and B are visiting a particular shop in the same week ...

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  12. Prove that : (cos ^(2) A + tan ^(2) A - 1 )/( sin ^(2) A ) = tan ^(2...

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  18. A conical tent is to accomodate 11 persons. Each person must have 4 sq...

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  19. Find acute angles A and B when 2 sin (A+ B) = sqrt3 and 2 cos (A-B...

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  20. ABCD is a rhombus. The co-ordinates of vertices B and D are (4,7) and...

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